Pilot's Guide

Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
190-00663-02 Rev. B
414
AUTOMATIC FLIGHT CONTROL SYSTEM
Priorto descentpathinterception,theSelectedAltitude mustbe setbelow thecurrent aircraft altitude
byatleast75feet.FortheightdirectortotransitionfromAltitudeHoldtoVerticalPathTrackingMode,
acknowledgment is required within five minutes of descent path interception by:
•PressingtheVNV Key
•AdjustingtheSelectedAltitude
If acknowledgment is not received within one minute of descent path interception, the white ‘VPTH’
annunciationstartstoash.Flashingcontinuesuntilacknowledgedorthedescentpathisintercepted.If
thedescentisnotconrmedbythetimeofinterception,VerticalPathTrackingModeremainsarmedandthe
descent is not captured.
Inconjunctionwiththe“TOD[topofdescent]within1minute”annunciationinthePFDNavigationStatus
Boxandthe“Verticaltrack”voicemessage,VNVindications(VNVTargetAltitude,verticaldeviation,and
verticalspeedrequired)appearonthePFDsinmagenta(Figure7-18).
Figure 7-18 Vertical Path Capture
GPS is Selected
Navigation
Source
Enroute
Phase of
Flight
Required
Vertical
Speed Bug
VNV Target
Altitude
Vertical
Deviation
Indicator
Selected
Altitude
Vertical Path Tracking
Armed (Flashing Indicates
Acknowledgment Required
Altitude Hold
Mode Active